At this time, the Okanogan Lobe and Purcell Trench Lobe blocked the Columbia River, forming glacial lakes Columbia and Missoula. Glacial Lake Missoula was metastable and its ice dam released episodic ...

periodically vanished underwater as Glacial Lake Missoula floodwaters, muddy with sediment and debris, drained thunderously off the Quincy basin into the Columbia River. The glacial water ...

He flies to a glacial lake near the Cascade Mountains in British Columbia over waterfalls, rivers, and mountains. The tours are available from June to September, but glacier melt water is vibrant ...

rescued three people from the wreckage of a crashed PA-12 Super Cruiser aircraft partially submerged in glacial ice on a lake about 40 miles southeast of Soldotna March 24. An HH-60M Black Hawk ...